- Male or female infants 6 weeks to entire study period and reachable by phone, parents able to complete all relevant
- Infants who have received Prevnar are eligible to participate, but this is not
- Infants participating in the blood draws must live in a specific identified area
(Yukon Kuskokwim Delta region)
- Contraindication to vaccination with pneumococcal vaccine or allergic reaction to any
vaccines or vaccine related components, immune deficiency, bleeding disorder or major
known congenital malformation.